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What's the most underrated thing about Mahomet-Seymour High School that outsiders don't know?
Community prompt from u/allk12. Replies below.
Enrollment
1,050
High
DISTRICT 867 · STATE 834
SCHOOL COMMUNITY·MAHOMET-SEYMOUR CUSD 3·NCES 172406002627
Mahomet-Seymour High School
302 W State St, Mahomet, IL 61853 · (217) 586-4962 · Champaign County
GRADES 09–12HIGH31-TOWNREGULAR SCHOOL1,050 STUDENTS
A
allk12 Grade
Scored higher than 93% of Illinois public high schools
- ATest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- ABeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Illinois public high schools
Student : Teacher
16.5:1
64 FTE teachers
DISTRICT 16.4:1 · STATE 13.8:1
Free / Reduced Lunch
23%
241 students
DISTRICT 23% · STATE 56%
Community
5
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 259 | 25% |
| Grade 10 | 287 | 27% |
| Grade 11 | 237 | 23% |
| Grade 12 | 267 | 25% |
Student demographics
33%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 31% · STATE 69% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Feeds from
Based on grade levels within Mahomet-Seymour CUSD 3. Attendance zones can vary; confirm enrollment with the district.
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
64.7%
composite math + reading, all grades
Predicted
58.3%
based on IL schools with similar FRL share
Beats by
+6.4pp
above demographic expectation
What this means: About 65% of students here test proficient in math and reading, compared with the roughly 58% typical for Illinois schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Illinois's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Mahomet-Seymour High School
Mahomet-Seymour High School's state test result (64.7% proficient) is higher than 4 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Mahomet-Seymour High School this school | 1,050 | 23.0% | 64.7% |
| Prairie Ridge High School Crystal Lake | 1,133 | 22.4% | 60.6% |
| Sycamore High School Sycamore | 1,161 | 24.8% | 46.8% |
| Mt Zion High School Mount Zion | 762 | 21.8% | 52.1% |
| Lemont Twp High School Lemont | 1,284 | 17.0% | 65.0% |
| Mascoutah High School Mascoutah | 1,243 | 21.8% | 58.9% |
Matched among Illinois high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Mahomet-Seymour High School ranks
Among high schools| Measure | This school | In Illinois | In Champaign County |
|---|---|---|---|
| State test proficiency ranked highest first | 64.7% | #18 of 573 | #1 of 8 |
| Enrollment ranked largest first | 1,050 | #213 of 708 | #4 of 9 |
| Students per teacher ranked fewest first | 16.5:1 | #440 of 528 | #8 of 8 |
| Diversity index ranked most diverse first | 33.2% | #288 of 537 | #5 of 8 |
| Free and reduced lunch ranked highest share first | 23.0% | #538 of 578 | #8 of 8 |
| Enrollment change since 2017-18 ranked fastest growth first | +14.3% | #46 of 191 | N/A |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
1,050
+63 (+6%) vs 2020
+86% since 1990-91, when it was 566
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 1,050 | 63.5 | 16.5:1 | 23% (241) |
| 2023-24 | 1,014 | 61.5 | 16.5:1 | 22% (228) |
| 2022-23 | 997 | 62.3 | 16.0:1 | 23% (228) |
| 2020-21 | 987 | N/A | N/A | N/A |
| 2017-18 | 919 | 57.8 | 15.9:1 | 17% (153) |
| 2015-16 | 972 | 53 | 18.3:1 | 17% (169) |
| 2010-11 | 873 | 52 | 16.8:1 | 17% (151) |
| 2000-01 | 798 | 53 | 15.1:1 | N/A |
| 1990-91 | 566 | 31 | 18.3:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Mahomet-Seymour High School.
Since 2017-18: students up 14% (919 to 1,050); teachers up 10% (57.8 to 63.5).
About Mahomet-Seymour High School
Mahomet-Seymour High School is the name of a mid-sized high school in Mahomet, Illinois. Its grade span covers grades 9 through 12, with 1,050 students on the rolls. Across high schools in Illinois, the average enrollment is about 834.
Mahomet-Seymour CUSD 3 runs 4 schools with a combined 3,468 students. Mahomet-Seymour High School is one of them.
Roughly 81% of students at Mahomet-Seymour High School are White. Other groups include 6% multiracial, 6% Hispanic, and 4% Asian. By comparison, Champaign County residents are about 64% White. Measured by the diversity index, the student body scores 33%.
The school had 63.5 full-time-equivalent teachers in 2024-25. Its student-to-teacher ratio is 16.5:1. The gap from the 13.8:1 average for high schools in Illinois is 2.7 students per teacher. The school reported 23% of students eligible for free or reduced-price lunch in 2024-25. Compared with the 53% average for public schools in Champaign County, the school's rate is lower.
Among Illinois public high schools, Mahomet-Seymour High School outscored 93%, which works out to an A on the allk12 Grade.
On a poverty-adjusted basis, Mahomet-Seymour High School falls in the middle 80% of Illinois schools: 64.7% actual against 58.3% predicted.
In the wider Champaign County area, median household income comes to about $63,683, 46% of adults hold a bachelor's degree or higher, and about 7% of residents live below the federal poverty line. Champaign County counts 66 public schools with about 25,919 students.
Mahomet-Seymour Jr High School is the nearest public school to Mahomet-Seymour High School, about 0.2 miles away. Counting only straight-line distance, 4 other public schools are within five miles. In a group of 8 nearby schools with scores, Mahomet-Seymour High School ranks 2nd on average proficiency.
NCES assigns Mahomet-Seymour High School the locale Town: Fringe, meaning in a town close to an urbanized area.
Enrollment in 2024-25 stood at 1,050, compared with 987 in 2020-21.
You can use this page to share news and ask questions about athletics, class schedules, and weather closures. Current and former families are welcome to add their experience.
Champaign County at a glance
View full county profilePopulation
208,741
Census ACS
Median income
$63,683
Household, ACS
Bachelor's+
46%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
66
25,919 students
Quick facts
Related schools
Other schools in Mahomet-Seymour CUSD 3
- Mahomet-Seymour Jr High SchoolMiddle · 812 students
- Middletown Prairie ElementaryElementary · 805 students
- Lincoln Trail Elementary SchoolElementary · 801 students
Other schools in Mahomet
- Mahomet-Seymour Jr High SchoolMiddle · 812 students
- Middletown Prairie ElementaryElementary · 805 students
- Lincoln Trail Elementary SchoolElementary · 801 students
Nearby schools
- Mahomet-Seymour Jr High School0.2 mi · 812
- Lincoln Trail Elementary School0.3 mi · 801
- Middletown Prairie Elementary2.3 mi · 805
- Blue Ridge Intermediate-Jr High School4.8 mi · 232
- Fisher Grade School8.0 mi · 326
- Fisher Jr/Sr High School8.0 mi · 284
Frequently asked questions
About Mahomet-Seymour High SchoolWhat is the total enrollment at Mahomet-Seymour High School?
Mahomet-Seymour High School enrolls approximately 1,050 students in grades 09-12.
Is Mahomet-Seymour High School an elementary, middle, or high school?
Mahomet-Seymour High School is a high school covering grades 09-12.
What is the student-teacher ratio at Mahomet-Seymour High School?
The student-to-teacher ratio at Mahomet-Seymour High School is approximately 16.5:1 (64 FTE teachers).
What is the racial breakdown of students at Mahomet-Seymour High School?
At Mahomet-Seymour High School, the student body is approximately 81% White, 6% Hispanic, 2% Black, 4% Asian, 6% Two or more.
Is Mahomet-Seymour High School public or private?
Mahomet-Seymour High School is a public K-12 school, overseen by Mahomet-Seymour CUSD 3.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.